Answer :

luana
[tex]*\\differece\ of\ 17 \ and\ k:\\\\ 17-k\\\\ nine \ more:\\\\\ 5+(17-k)=5+17-k=23-k\\\\Solution\ is\ 23-k.[/tex]
9 +(17 - k)
26 - k

more than refers to addition. The difference refers to subtraction. Because the value of k is not given, there is no equal sign, making this an algebraic expression.